Compositions comprise plant material and methods for using the same. The methods include extracting or removing a substance from a substrate, or remediating a substrate from a substance. The substance can comprise a hydrocarbon-containing substance, a protein, lipid, wax, fatty acid or fatty alcohol, grease, fat, oil or a combination thereof. Aqueous compositions comprise: about 1 wt% to about 50 wt% of plant material； 0% to about 20 wt% of a polysaccharide； 0% to about 10 wt% of an alcohol； 0% to about 25 wt% of a base； 0% to about 30 wt% of a salt； 0% to about 10 wt% of an acid； 0% to about 30 wt% of an additive； 0% to about 30 wt% of a sugar； and about 10 wt% to about 95 wt% of water； a pH of from about 9 to about 13. The plant material is hemp seed, soybean, or combinations thereof.
